<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\model\Category;
use fast\Tree;

/**
 * 文章管理
 *
 * @icon fa fa-circle-o
 */
class Article extends Backend
{

    /**
     * Article模型对象
     * @var \app\admin\model\Article
     */
    protected $model = null;
    protected $searchFields = ['name', 'category.name'];
    protected $relationSearch = true;
    protected $modelValidate = true;
    protected $modelSceneValidate = true;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Article;
        $categoryController = new \app\admin\controller\Category();
        $cateParentList = $categoryController->getCateTreeData();
        $this->view->assign("tagsDataList", $this->model->getTagsDataList());
        $this->view->assign("statusDataList", $this->model->getStatusDataList());
        $this->assign('cateParentList', $cateParentList);
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $list = $this->model
                    ->with(['category'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                $row->hidden(['deletetime']);
                $row->category_id = $row->category->name;
            }
            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 添加文章
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if ($this->request->post()) {
            $params = $this->request->post('row/a');
            if (empty($params)) {
                $this->error(__('Parameter %s can not be empty', ''));
            }
            $articleValidate = new \app\admin\validate\Article();
            if (!$articleValidate->scene('add')->check($params)) {
                $this->error($articleValidate->getError());
            }
            if (isset($params['category_id'])) {
                $params['category_type'] = Category::where(['id' => $params['category_id']])->value('type');
            }
            $result = $this->model->save($params);
            if ($result) {
                $this->success('添加成功');
            }
        }
        return $this->view->fetch();
    }

    /**
     * 更新文章
     * @param $ids
     * @return string
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if ($this->request->post()) {
            $params = $this->request->post('row/a');
            if (empty($params)) {
                $this->error(__('Parameter %s can not be empty', ''));
            }
            $articleValidate = new \app\admin\validate\Article();
            if (!$articleValidate->scene('edit')->check($params)) {
                $this->error($articleValidate->getError());
            }
            if (isset($params['category_id'])) {
                $params['category_type'] = Category::where(['id' => $params['category_id']])->value('type');
            }
            $articleInfo = $this->model->find($ids);
            $result = $articleInfo->save($params);
            if ($result) {
                $this->success('编辑成功');
            }
        }
        $this->assign('row', $row);
        return $this->view->fetch();
    }

    public function selectArticleList()
    {
        list($where, $sort, $order, $offset, $limit) = $this->buildparams();
        $list = $this->model
            ->with(['category'])
            ->where($where)
            ->order($sort, $order)
            ->paginate();
        return json($list->items());
    }

}
